﻿using System;
using System.Text;

class UnicodeCharacterLiterals
{
    static void Main()
    {
        string hello = "Hi, John!";

        Console.WriteLine(hello);

        for (int i = 0; i < hello.Length; i++)
        {
            Console.Write("\\u{0:X4}", (int)hello[i]);
        }

        Console.WriteLine();
    }
}
